Stories by krizhanovsky

Using ClickHouse for L7 DDoS and Bot Traffic Analytics with Tempesta FW

Performance optimizations for storing web server access logs in ClickHouse

Stealth BGP Hijacks with URPF Filtering [pdf]

Show HN: An open source access logs analytics script to block bot attacks

The new HTTP/2 vulnerability: 'Made You Reset' CVE-2025-8671

Understanding and Improving Web Security Performance

Building your own WordPress staging with Tempesta FW

Full browser stack L7 DDoS against Russian resources

Fast web application = OpenResty + MariaDB UDF

Lean startup: build fast billing system in MariaDB UDF and OpenResty

MariaDB vs. MySQL performance on CPU-bound range queries

Performance of ORDER BY over text columns in MariaDB and MySQL

Non-hierarchical caching for VOD CDN

Mathematics and development of fast TLS handshakes

C/C++ vs. Rust Performance

Fast programming languages: C, C++, Rust, and Assembly

Tempesta TLS: up to 40-80% faster than Nginx/OpneSSL and up to x4 lower latency [pdf]

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